TL;DR

Senior Python Developer (AI SaaS): Design and implement complex backend features for an enterprise AI SaaS platform in the biopharmaceutical industry with an accent on scalable, secure, and well-tested code. Focus on building distributed systems, REST APIs, and optimizing database interactions using advanced Python frameworks and cloud technologies.

Location: Remote (Ukraine)

Company

Leading enterprise AI SaaS company for digital transformation in the biopharmaceutical industry.

What you will do

Design and implement complex backend features from conception to deployment.
Write clean, secure, scalable, and well-documented code following best practices.
Perform comprehensive code reviews and support team engineering standards.
Participate actively in all SDLC phases including planning, development, testing, and deployment.
Assist in technical interviewing and knowledge sharing within the team.

Requirements

Fluent / Upper-Intermediate English.
More than 5 years of professional Python development experience.
Strong knowledge of Python frameworks such as FastAPI, Flask, and their architectures.
Experience developing REST APIs for distributed systems (microservices, SOA).
Proficiency with asyncio and related libraries (aiohttp, tornado).
Deep understanding of OOP, SOLID, GRASP, architectural patterns, and security principles.
Experience with PostgreSQL, SQLAlchemy (sync and async), and database optimization.
Familiarity with CI/CD tools and public cloud deployment (Azure is a plus).
Knowledge of Docker and Kubernetes principles.
Advanced testing skills with unittest, pytest, and mock.

Nice to have

Experience with Azure DevOps and cloud app management.

Culture & Benefits

Remote work from Ukraine.
Collaborative cross-functional team environment.
Focus on quality and engineering best practices.